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PCF8545 Scheda tecnica(PDF) 20 Page - NXP Semiconductors

Il numero della parte PCF8545
Spiegazioni elettronici  Universal LCD driver for multiplex rates up to 1:8
PDF  72 Pages
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Produttore elettronici  NXP [NXP Semiconductors]
Homepage  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF8545 Scheda tecnica(HTML) 20 Page - NXP Semiconductors

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PCF8545
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2013. All rights reserved.
Product data sheet
Rev. 1 — 13 November 2013
20 of 72
NXP Semiconductors
PCF8545
Universal LCD driver for multiplex rates up to 1:8
8.3 Possible display configurations
The PCF8545 is a versatile peripheral device designed to interface between any
microcontroller to a wide variety of LCD segment or dot matrix displays (see Figure 10). It
can drive multiplexed LCD with 4, 6, or 8 backplanes and up to 44 segments.
The display configurations possible with the PCF8545 depend on the required number of
active backplane outputs. A selection of possible display configurations is given in
Table 22.
[1]
7 segment display has 8 elements including the decimal point.
[2]
14 segment display has 16 elements including decimal point and accent dot.
All of the display configurations in Table 22 can be implemented in the typical systems
shown in Figure 11 and Figure 12.
Fig 10. Example of displays suitable for PCF8545
Table 22.
Selection of display configurations
Number of
Digits/Characters
Dot matrix/
Elements
Backplanes
Segments
Icons
7 segment[1]
14 segment[2]
8
40
320
40
20
320
6
42
252
31
15
252
4
44
176
22
11
176



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